Uhm page is empty… It is an web application where you can create an account and create wishes for christmas (it was for private use). I am using php, and Databases.
A HTTP ERROR 500 means that your PHP code has crashed. The first step is to figure out why it crashed so you can try to fix that, and to do that, you can enable error messages for PHP.
The code that @gamegam is one way to do it, but it’s simpler to just configure it through our panel, or use .htaccess rules.